Alkaline Control

Caustic Soda

Caustic Soda is Sodium Hydroxide (NaOH). It is an effective pH modifier for aqueous systems.

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Description

Product Description
Caustic Soda (NaOH) is sodium hydroxide, which has a molar mass of 40.0 g/mol. It is a strong alkali and must be handled with extreme care. Its rapid dissolution in water results in liberation of large amounts of heat.


Specification

APPEARANCE

White powder or granules

TYPE

Organic Acid

PH

8 (5% solution)

SPECIFIC GRAVITY

1.5 - 1.66g/cm3

MELTING POINT

212 - 307°F

SOLUBILITY

Soluble (162g/100ml) @ water 20°C

 

Application & Advantages

Application/Function
Primarily used to control alkalinity and pH in aqueous fluids (limits the solubility of calcium and magnesium) by precipitating the metal hydroxides, Ca (OH)2 and Mg(OH)2
Aids the solubilization of products such as lignosulfonates and lignites and activates Bentonite dispersion.

‍Advantages‍
Economical source of hydroxyl ions to control pH
Concentrated chemical and very effective at small treatment levels
Increases pH which reduces corrosion of steel exposed to drilling fluids
Can be used in most drilling fluids

 

Package

Recommended Treatment
Add Caustic Soda in the range of 0.25-0.5 lbs/bbl (0.71-1.43 kg/m³) to water based systems.
For safety reasons, caustic soda must never be mixed through the mud hopper; it must be added via a chemical barrel or to a low-volume premix in a slug pit by direct addition through the grating. The premix is then transferred slowly to the active system over the course of one or several circulations.

Environmental Information
For information concerning environmental regulations applicable to Caustic Soda, contact the Health Safety and Environmental Department.

Shipping
Transportation of commodity name is not restricted by either international or CHINA regulatory agencies.

Safe Handling Recommendations
Utilize normal precautions for employee protection when handling chemical products. Use of standard PPE is recommended for employee comfort and safety. See Material Safety Data Sheet (MSDS) prior to use.

Package and Storage
Flake: 25kg net PP/PE, kraft paper compounded bag
Pearl: 25kg PP/PE, kraft paper compounded, pure PE bag
Solid: 200kg, 400kg net iron drums
Caustic Soda is corrosive. Spills should be cleaned up immediately.


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